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Chromium: CVE-2026-1220 Race in V8

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see (https://chromereleases.googleblog.com/2024 ) for more information. - Read more

Introducing the F5 Labs Weekly Threat Bulletin

F5 Labs’ Weekly Threat Bulletin delivers fast, AI‑driven insights on emerging cyber threats with IoCs, mitigation tips, and expert‑validated guidance. - Read more

New Osiris Ransomware Using Wide Range of Living off the Land and Dual-use Tools in Attacks

A newly discovered ransomware family called Osiris launched attacks against a major food service company in Southeast Asia during November 2025. Security researchers have identified this threat as a completely new malware variant with no connection to an older ransomware family that shared the same name in 2016. The emergence of Osiris marks another addition to the...

I scan, you scan, we all scan for… knowledge?

Welcome to this week’s edition of the Threat Source newsletter. “Upon us all a little rain must fall” — Led Zeppelin, via Henry Wadsworth Longfellow  I recently bumped into a colleague with whom I spent several years working in an MSSP environment. We had very different roles within the organization, so our viewpoints, both then and now, were very different. He asked me the question I hear almost every time I speak somewhere: “What do you think...

Critical Appsmith Flaw Enables Account Takeovers

Critical vulnerability in Appsmith allows account takeover via flawed password reset process - Read more

From Signals to Strategy: What Security Teams Must Prepare for in 2026

The 2026 Security Predictions webinar reinforced a simple but uncomfortable truth. The forces shaping cyber risk are not new, but they are converging faster and with greater impact than many organizations are ready for. Geopolitics, insider risk, and threat intelligence have long influenced cyber operations. What has changed is the extent to which they directly affect everyday security decisions.Geopolitical...

Under Armour Ransomware Attack Exposes 72M Email Addresses

Many records also contained additional personal information such as names, dates of birth, genders, geographic locations, and purchase information. The post Under Armour Ransomware Attack Exposes 72M Email Addresses appeared first on TechRepublic. - Read more

Foxit, Epic Games Store, MedDreams vulnerabilities

Cisco Talos’ Vulnerability Discovery & Research team recently disclosed three vulnerabilities in Foxit PDF Editor, one in the Epic Games Store, and twenty-one in MedDream PACS..The vulnerabilities mentioned in this blog post have been patched by their respective vendors, all in adherence to Cisco’s third-party vulnerability disclosure policy.    For Snort coverage that can detect the exploitation of these vulnerabilities, download...

KONNI Adopts AI to Generate PowerShell Backdoors

Key Findings: Check Point Research (CPR) is tracking a phishing campaign linked to a North Korea–aligned threat actor known as KONNI. This activity goes beyond KONNI’s typical focus areas, indicating broader targeting across the APAC region, including Japan, Australia, and India. The campaign targets software developers and engineering teams with expertise in, or access to, blockchain-related resources and infrastructure....

Spanish e-retailer PcComponentes denies report it was hacked

Spanish online electronics retailer PcComponentes has denied a hacker’s claims to have stolen data on its customers. Hackrisk.io, a strategic cyber threat intelligence platform developed and maintained by Hackmanac, reported that a malicious actor using the alias ‘daghetiaw’ claimed to have hacked the e-commerce company, adding that it was attempting to verify the claim....

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GreatXML zero-day BitLocker bypass doesn’t seem to work, yet

A disgruntled researcher who has been publishing zero-day Microsoft Windows vulnerabilities for the past several months released a new exploit...

New Windows Zero-Day Claims BitLocker Bypass Amid Microsoft Disclosure Fight

A new Windows zero-day reportedly bypasses BitLocker, adding pressure on Microsoft as researchers debate the exploit’s real-world impact. The post New Windows Zero-Day Claims BitLocker...

Fancy Bear Hackers Abuse EdgeRouters and Cloud Services to Launch Stealthy Cyberattacks

One of the most persistent hacking groups in the world has found a new way to stay hidden. The threat actor known as...

Ransomware Payment Crypto Laundering Platform Taken Out by FBI and Europol

Domain of dark web money laundering platform AudiA6 seized and suspects arrested in joint operation by the FBI, Europol and others - Read...